The height of the 2001 GMC Sierra-2500HD is 6 ft. 4.2 in. (76.2 in.).
It's worth about $13,000. See quotes at http://www.edmunds.com/gmc/sierra2500hd/2006/index.html
The height of the 2001 GMC Yukon is 6 ft. 4.7 in. (76.7 in.).
The height of the 2001 GMC Savana is 6 ft. 7.4 in. (79.4 in.).
The height of the 2001 GMC Sierra-1500 is 5 ft. 11.2 in. (71.2 in.).
The height of the 2001 GMC Savana-Cargo is 6 ft. 7.4 in. (79.4 in.).
The height of the 2001 GMC Yukon-XL is 6 ft. 3.8 in. (75.8 in.).
The 2001 GMC Savana has 12 valves.
The 2001 GMC Yukon has 16 valves.
The 2001 GMC Yukon has a V8 engine.
The 2001 GMC Savana has overhead valves (OHV).
The 2001 GMC Savana has a 4-speed automatic.
The 2001 GMC Yukon has overhead valves (OHV).